I have installed a recent community version of MySQL from MySQL site. The version is 5.6.x.
It was done using an installer and I also chose the option t
It may be better not to completely disable the updater but make it check less often than once a day, which seems over the top. You can not do that without using the Task Scheduler. Double-click the "ManifestUpdate" Name in the Task Scheduler to open the Properties window and select the Triggers tab, here you can use the "Edit..." button to set the task to run as [in]frequently as you like. This is what I have done:
Be warned that the next MySQL update you do decide to install might undo anything done directly in the Task Scheduler.